#include <stdio.h>

struct group{
	int a;
	char b;
	int c;
};

union data{
	int a;
	char b;
	int c;
};

int main(){
	printf("space of data in memory = %lu\n",sizeof(union data));
	printf("space of group in memory = %lu\n",sizeof(struct group));
	return 0;
}
